EP0182460A1 - Système de communication à images multiples - Google Patents

Système de communication à images multiples Download PDF

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Publication number
EP0182460A1
EP0182460A1 EP85306191A EP85306191A EP0182460A1 EP 0182460 A1 EP0182460 A1 EP 0182460A1 EP 85306191 A EP85306191 A EP 85306191A EP 85306191 A EP85306191 A EP 85306191A EP 0182460 A1 EP0182460 A1 EP 0182460A1
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EP
European Patent Office
Prior art keywords
images
display
image
natural language
video
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Granted
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EP85306191A
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German (de)
English (en)
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EP0182460B1 (fr
Inventor
Orest J. Bedrij
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PROFIT Tech Inc
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PROFIT Tech Inc
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/009—Teaching or communicating with deaf persons
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/06—Foreign languages
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99941—Database schema or data structure
    • Y10S707/99944—Object-oriented database structure
    • Y10S707/99945—Object-oriented database structure processing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99941—Database schema or data structure
    • Y10S707/99948—Application of database or data structure, e.g. distributed, multimedia, or image

Definitions

  • This invention relates to audio-visual systems for transmitting information at high speed to a human receiver.
  • Multi-image presentations employing the simultaneous projection of a plurality of distinct visual images along with an audio message, have exploited these principles.
  • Recent advances in electronics have made it possible to store, retrieve, and process individual frames of visual information.
  • random access semiconductor memory and video discs have been used for the real-time modification of the visual image.
  • the displayed image is responsive to a player's actions.
  • specialized digital electronic systems have been developed for storing, retrieving, and synthesizing video images.
  • One well-known kind of digital electronic video processor is called an "Electronic Still Processor” which is used primarily by the television broadcast industry.
  • a representative processor is the “Electronic Still Processor ESP C Series Digital Storage And Retrieval System” manufactured and sold by ADDA Corp. 1671 Dell Avenue, Campbell, California 95008.
  • the ESP C Series processor includes an analog/digital conversion system, a microprocessor control system accessed via a control panel, and up to four hard disk drives for on-line storage of up to 3,000 frames or still images.
  • the processor can retrieve any frame within less than half a second.
  • the processor accepts inputs from conventional video sources such as video tape as well as synthetic sources such as character or special effects generators.
  • the individual frames can be edited to obtain any desired sequence or rate of play-back to generate a conventional television broadcast signal.
  • the processor also has dual channel outputs so that one channel can be displayed while recording another, and one image can be superimposed on another.
  • the processor may be used with an optional computerized Library Control System that provides off-line catalog, index, and reference information for searching or sorting stills based on title, category, geography, still number, source or date.
  • the processor also supports an optional multiple frame or multiplex feature which compresses, recalls, and positions up to twenty-five stills on a video monitor in a 3 x 3 or 5 x 5 matrix format.
  • Another object of the invention is to provide automatic computer generated programming for multi-image presentation.
  • Yet another object of the invention is to provide a computerized mult-image processor.
  • Yet another object of the present invention is to provide an improved learning aid.
  • Still another object of the invention is to provide an improved means for teaching foreign languages.
  • Yet another object of the invention is to provide a system for decreasing the time and cost required for formatting multi-image presentations.
  • a visual communication device for translating a natural language into visual images to be view by a human receiver comprising, in combination,
  • a multi-image communications system for translating a sequence of natural language words into a corresponding audio-visual presentation directed to at least one human receiver, said system comprising, in combination, input means for receiving said sequence of natural language words , speech synthesizer means for sequentially receiving said natural language words and pronouncing them and including a text buffer storing a plurality of sequential ones of said natural language words, video memory means for storing a plurality of predetermined video images corresponding to a substantial portion of the natural language words used in said natural language, video display means for simultaneously displaying a plurality of selected ones of said video images, image dictionary memory means for storing for each word in said substantial portion of the natural language words the set of addresses in said video memory means for corresponding ones of said video images, for storing display rules for respective ones of said images for specifying particular methods by which their respective images are displayed by said video display means, for storing context rules for specifying particular methods by which respective images are selected for display for some of the words in said substantial portion of the natural language
  • FIGURE 1 there is shown a general block diagram of a preferred embodiment generally designated 20 of the multi-image communications system according to the present invention.
  • the system 20 receives natural language words or text at an input means such as a keyboard 21 or floppy disk drive 22 and translates the natural language words into a sequence or presentation of corresponding video images presented by a video display 23 to a human receiver 24.
  • the display 23 can present multiple images which are built up and temporarily stored in a multiple image buffer 25.
  • the multi-image communications system includes a standard speech synthesizer 26 which also receives the natural language words or text and drives a speaker 27 to pronounce the text in synchronism with the display of the corresponding images.
  • a preferred form of construction for the speech synthesizer is disclosed in Antonov U.S. Patent 4,278,838 issued July 14, 1981 and titled "Method Of And Device For Synthesis Of Speech From Printed Text".
  • the speech synthesizer 26 includes a phoneme dictionary which prestores in digital form the voice elements of human speech. Suitable circuits for converting selected ones of the phonemes to an analog signal for driving the speaker 27 are manufactured and sold by Texas Instruments, Inc., of Dallas, Texas as integrated circuit part no. TMC0280. The use of the TMC0280 is generally described by Richard Wiggins and Larry Brantingham, "Three-chip system synthesizes human speech," Electronics, August 31, 1978, pp. 108-116.
  • a central processing unit or microcomputer 28 such as an IBM PC or personal computer, buffers the text from the keyboard 21 or floppy disk 22 for presentation to the speech synthesizer 26.
  • a laser video disk 29 stores a large number of images at addressable locations, and the natural language words are translated into corresponding ones of these video images by the addressing of an image dictionary memory 30 storing sets of video addresses for respective ones of the natural language words.
  • the system 20 may include auxiliary video storage 31 such as a secondary video disk to increase the video storage capacity of the system or to provide video images for specialized subject areas.
  • the auxiliary video storage 31 could also include storage for predetermined graphic, alphabetic or character symbols.
  • FIG. 2 there is shown a more detailed functional block diagram of the system 20 shown in FIG. 1.
  • the functions shown in FIG. 2 represent the system shown in FIG. 1 after a control program has been loaded from the floppy disk 22 into the central processing unit 28.
  • the central processing unit 28 functions as a text buffer 32 for receiving the natural language words from a text source 33 such as the keyboard 21 or floppy disk 22.
  • the central processing unit 28 also functions as an image selector 34 for selecting, for particular predetermined natural language words, a corresponding image stored in the video disk memory 29 for display.
  • the central processing unit 28 also performs the function of a display rule processor 35 for loading the multiple image buffer 25 and determining how the particular images are to be displayed.
  • the display rule processor 35 determines for example, how long a particular image is to be displayed, and determines what images should not be displayed when there is insufficient time for displaying all of the images selected by the image selector 34.
  • the image dictionary memory includes, for the respective images referenced therein, respective selection rules for specifying particular methods by which respective images are selected for display for the substantial number of natural language words included in the image dictionary memory 30.
  • selection rules include context rules wherein respective images are selected in response to the natural language words currently stored in the text buffer, as well as viewer preference descriptions for specifying whether respective images meet predetermined viewer preferences 36.
  • the viewer preferences 36 are received from the particular viewer, for example from the keyboard 21 in FIG. 1, and indicate whether the images presented on the video display 23 should be selected or tailored for the particular viewer.
  • the viewer preferences indicate, for example, whether the images should be tailored for a viewer having a particular age, sex, nationality, ethnic background, or historical perspective.
  • the image dictionary memory 30 may also have special control rules associated with particular images or particular natural language words which override the typical operation of the image selector 34. These special control rules, for example, may indicate that the images representing a particular natural language word should be selected in a particular way. These special control rules may be represented as control words interspersed in the natural language text. Such control words are not pronounced by the speech synthesizer and can be used to edit the video presentation. Of particular importance are control words for displaying a particular image in the video disk 29 or the auxiliary video storage 31, or for preventing a particular image from being displayed. A list of desirable control words is shown in Appendix II. Control words are also provided for changing or overriding the operation of the display rule processor 35 by modifying the display rules that are read from the image dictionary memory 30 by the image selector 34.
  • the image selector 34 operates cyclically upon receiving individual natural language or control words from the text buffer 32. Some of the control words received from the text buffer 32 and special control rules from the image dictionary memory 30, however, require the image selector 34 to change its operation over a number of cycles or words received from the text buffer 32. In order to remember that these operations are to be performed over a successive number of cycles or words, an override random access memory 37 is provided.
  • the override random access memory 37 stores, for example, data indicating what control operation is to be performed for the next word received from the text buffer 32, and may buffer information about particular images received from the image dictionary memory 30. For a "SEQUENTIAL" operation, information about a number of images is buffered into the override random access memory 37 for the display of one image for each following word spoken by the speech synthesizer 26.
  • a single permissible image can either be selected at random from the set of permissible images, or a single permissible image can be selected based on the past history of image selection. For selecting an image based on past history, a past selection random access memory 38 is provided.
  • the selected image along with its respective display rules are passed to the display rule processor 35.
  • the display rule processor 35 determines where the selected image is to be loaded in the multiple image buffer 25.
  • a display state register 39 is provided for indicating the status of the multiple image buffer 25.
  • the display state register 39 is responsive to the time when particular words are spoken by the speech synthesizer 26.
  • the multiple image buffer 25 stores images currently being displayed and images that have been loaded for display when the next word is spoken by the speech synthesizer 26.
  • the display of a particular image in other words, is delayed so that the image for a particular word is displayed when the particular word is spoken by the speech synthesizer 26.
  • a particular display rule assigns a priority number to each image and the decision of whether to terminate the display of one image to display a new image is responsive to the respective priority numbers.
  • a display information buffer or memory 40 is provided.
  • FIG. 3 there is shown a block diagram for a kind of multiple image buffer 25 for use with a high resolution color flat display 23 such as a cathode ray tube.
  • This kind of multiple image buffer would also be useful for working with a display 23 such as a standard color television set.
  • a multiple image buffer 25 receives the video information from either the video disk 29 or auxiliary video storage 31 as determined by an image source multiplexer 41. The actual transfer of the video information is synchronized to a video clock 42 and transfer is initiated by the rising edge of a LOAD BUFFER signal.
  • the multiple image buffer 25 includes four double buffers 43, 44, 45, and 46 for the four matrix locations (1,1), (1,2), (2,1), (2,2) of the display 23.
  • the image selected by the image source multiplexer 41 is received by a respective one of these buffers as determined by an IMAGE DESTINATION POSITION address.
  • Each buffer includes a memory for storing the image currently being displayed and a second memory for receiving an image to be displayed at a later time.
  • a raster scan generator 47 In order to display the images stored in these first memories, a raster scan generator 47 generates a clocking signal synchronized to the scanning of the display 23 and this clocking signal is converted to respective memory address locations by a pixel counter 48.
  • the video data in binary or digital form, is received by video digital- to-analog converters 49 for generating a video signal to modulate the color grids of the cathode ray tube display 23.
  • FIG. 4 there is shown a schematic diagram of one of the buffers 43-46.
  • the two memories 50 and 50' Each of these memories may function as either an image loading memory or an image display memory as determined by input and output multiplexers 51 and 52.
  • the choice of which memory is used for loading and which is used for display is selected by a delay type flip-flop 53 which is clocked by the WORD SPOKEN signal from the speech synthesizer 26 (FIG. 2) in order that images are displayed at the beginning of the pronunciation of the natural language words. Since the WORD SPOKEN signal is asynchronous with respect to the loading of the video information into the buffers 43-46, a handshake flip-flop 54 recognizes a loading request initiated by the LOAD BUFFER signal.
  • the LOAD BUFFER signal is gated by a matrix address decoder 55 provided so that the image is loaded only into the addressed buffer 43-46.
  • An inverter 56 inverts the enable signal from the matrix address decoder 55 in order that the handshake flip-flop 54 is set after the video data is loaded into the memory 50, 51 selected for receiving a new image.
  • the handshake flip-flop 54 is reset after the selection determining flip-flop 53 is triggered by the WORD SPOKEN signal using a reset pulse generating circuit comprising an exclusive-OR gate 57 and a lowpass filter comprising a series resistor 58 and a shunt capacitor 59.
  • the memory selecting flip-flop 53 functions as a toggle flip-flop since a second exclusive-OR gate 60 determines the state of the data input (D) to the delay flip-flop 53 depending upon the logic state of its output (Q).
  • the input multiplixer 52 includes a clear input (CLR) in addition to a video data input (DIN).
  • the clear input (CLR) gates the video data input (DIN) so that a clear video image is loaded when the clear input is a logic high regardless of the video data received on the video data input (DIN).
  • the output multiplexer 51 is enabled by a matrix address decoder 61 receiving an out enable address (OUTENA) provided by the pixel counter 48.
  • FIG. 5 there is shown a flowchart of a control procedure executed by the central processing unit 28 (FIG. 1) to implement the image selector 34 (FIG. 2).
  • the buffers such as the override random access memory 37 and the past selection RAM 38 are cleared and variables used in the image selector procedure are initialized.
  • a word synchronization signal is received from the text buffer 32 and the synchronization signal is monitored until a new word is available from the text buffer.
  • the new word is obtained from the text buffer and used in step 73 to address the image dictionary memory 30 with the new word.
  • the contents of the image dictionary memory 30 are illustrated in Appendix I.
  • the listing in Appendix I for example, is generated by a translator from a compressed internal binary format.
  • the image dictionary memory includes a concordance listing a substantial fraction of the natural language words received from the text source 33 and linking these natural language words with a set of video addresses for corresponding images stored in the video disk 24 or the auxiliary video storage 31.
  • the concordance also includes some special control rules indicating how a particular image, from the set of available images, is obtained for each of the natural language words listed in the concordance. The default rule is to select a single image at random from the set of available images.
  • Another special control rule is to select a particular one of the images on an indexed basis in response to an index value stored in the past selection RAM 38 for particular ones of the natural language words listed in the concordance.
  • Another special control rule is to select a plurality of images but to display the plurality of images sequentially, only one image being displayed coincident with the pronunciation of a single spoken word.
  • Special control rules are also used to reduce the size of the concordance.
  • the special rule "SEE" is interpreted to link a particular word listed in the concordance with other words which include more detailed information on how to obtain corresponding images.
  • the concordance of Appendix I includes an entry for the word "DOG” including three corresponding images described as “DOG WAGGING TAIL", “DOG JUMPING", and “DOG SLEEPING". These three images are shown in FIG. 6.
  • the control word INDEXED means that the following number in brackets is the absolute address of the corresponding index in the past selection random access memory 38.
  • the concordance entry for the word MUT indicates that when the dictionary memory is addressed with the word MUT, the video images should be obtained by addressing the word DOG.
  • the concordance entry PET indicates that the set of images for the word PET should be obtained by selecting at random either the images associated with the word DOG or the images associated with the word CAT. The percentage signs indicate that although the selection is random, 60% of the time the images for the word DOG should be used, while for 40% of the time the images for the word CAT should be used.
  • the concordance entry for the word WAR includes a special CONTEXT control rule.
  • a word listed in the concordance may include a number of contexts, each context being identified by a descriptor indicating words in the text buffer 32 that must be present or absent for the following images to the selected.
  • the descriptor NUCLEAR/1 for example, means that the word NUCLEAR must be within one word position of the word WAR in order for the following images to be selected.
  • Roughly translated, the concordance entry for the word WAR means that if the word NUCLEAR is found in the text buffer 32 within one word position of the word WAR, then three images should be sequentially displayed and the three images should be obtained by respectively selecting an image associated with the word ICBM, NUCLEAR EXPLOSION, and RUINS.
  • the image dictionary memory includes image descriptions having, for each addressable image in the video disk 29 or the auxiliary video storage 31, respective selection and display rules.
  • image "DOG WAGGING TAIL"
  • the image is stored on the second video disk at track number 147, the image should be displayed for a maximum time of three seconds, and must be displayed for a minimum time of 0.3 seconds, the image has a priority of three and no viewer preferences, and in the context of the word WAGGING occurring within seven words of the word DOG in the text buffer 32, then the minimum viewing time must be increased to 0.5 and the priority also should be increased to 5.
  • the priority and viewing time are increased since if the context description is satisfied, the "DOG WAGGING TAIL" is a more relevant picture to be displayed and it should be displayed for a longer time so that the viewer has time to notice that the dog is wagging its tail.
  • step 74 the response from the image dictionary memory must be inspected to determine whether any images at all were obtained.
  • the image dictionary memory 30 does not list in its concordance every signal word of a natural language. Some words just are not important enough to have associated with them specific video images. It should be noted, however, that due to the context rules the ideas symbolically represented by such words might still be conveyed by images associated with some other words which are listed in the concordance.
  • step 75 the override RAM 37 is inspected to determine whether there are any override operations yet to be performed to display an image when the new word will be pronounced by the speech synthesizer 26. If a prior SEQUENTIAL operation, for example, was requested for the previous word in the text buffer 32, this fact will be indicated in the override random access memory 37 so that in step 76 the override operation may be executed.
  • the override random access memory 37 includes information about an image to be displayed when the new word is pronounced by the speech synthesizer 26.
  • step 77 the new word and the results from the image dictionary memory are inspected to determine whether a control word was obtained. If a control word was obtained, then in step 78 that control word is interpreted to modify the usual sequence of the image selector 34 or the display rule processor 35. The control words are interpreted, for example, to perform the functions listed in Appendix II. If a control word is not obtained in step 77, then in step 79 the override random access memory 37 is inspected to determine whether an override operation is left over from a previous word cycle of the image selector 34. If so, then in step 76 the override operation is completed as was described above.
  • step 80 the information from the image dictionary memory is inspected to determine whether any of the permissible images received from the image dictionary memory have context descriptions. If so, in step 81 the text buffer 32 is inspected to determine whether any of the contexts are applicable to the text in the buffer, and if any of the contexts are found to be applicable, the inapplicable images from the image dictionary memory 30 are eliminated from the permissible set of images from which an image to display is selected. If in step 80 no context descriptions where found, then in step 82 the information from the image dictionary memory 30 is inspected to determine whether there are any viewer preference descriptions associated with the permissible set of images. If there are, then in step 83 the viewer preferences 36 (FIG. 2) are compared to the viewer preference descriptions and any inapplicable images are eliminated from the set of permissible images from which an image to display is selected.
  • step 84 the information from the image dictionary memory 30 is inspected to determine whether an INDEXED control word was associated with the set of images obtained from the image dictionary memory. If so, then in step 85, the past selection RAM 38 is read at the pointer address of the index and the index value is read into the variable PS. In step 86 a selector number is obtained by taking the modulus or remainder generated by dividing the index value PS by the number N of permissible images from which an image for display is to be selected. The modulus or remainder is a number from zero to N-1 pointing to or selecting a respective one of the N possible images.
  • This image is selected and an attempt will be made by the display rule processor 35 to display the selected image when the new word is spoken by the speech synthesizer 26.
  • the index value PS is incremented in step 87 and in step 88 is stored back in the past selection random access memory 38 at the respective pointer address in order to eliminate redundant selection of the images for the same natural language word associated with the particular index addressed at the particular pointer value.
  • step 89 a random selection is performed.
  • the value PS is generated by a random number generator subroutine and as in step 86 the modulus or remainder is obtained by dividing the value PS by the number N in order to obtain a number from zero to N-1 which selects a particular one of the N possible images for display purposes. If percentages were assigned to the images, the number N is set to 100 and the percentages are converted to ranges within which the modulus may fall to select one of the images. For the word PET discussed above, a modulus of 0-59 will select a DOG image and a modulus of 60-99 will select a CAT image.
  • the display rule processor 35 is requested to display the selected image.
  • step 100 the multiple image buffer 25 is cleared to clear the display, the display information buffer 40 is cleared, and program variables are initialized.
  • step 101 the respective clock times TDISP at which all of the images currently displayed were first displayed are added to the maximum display times TMA X for the respective images and compared to the current clock time TIME to determine whether any of the maximum viewing times have been exceeded. If so, then the respective display area are cleared.
  • the display rule processor 35 knows both the display time TDISP and the maximum viewing time TMAX for each image being displayed since this information is stored in the display information buffer 40 for the respective images.
  • step 102 the display rule processor checks whether an image display request was received from the image selector 34. Usually an image display request is not found in step 102 since the display rule processor 35 periodically executes step 102 at a much faster rate than the rate at which new words are obtained by the image selector 34 from the text buffer 32. This is done so that the display rule processor may continually look in step 103 at the WORD SPOKEN signal from the speech synthesizer 26 in order to synchronize the loading of the multiple image buffer 25 with the display of the images having been loaded. In particular, the display rule processor 35 needs to know when the images are displayed in order to determine the display time TDISP and store the display time in the display information buffer 40 for the respective images.
  • step 103 a low-to-high transition of the WORD SPOKEN signal is sensed by saving the old value (OLDWS) of the word spoken signal and reading the WORD SPOKEN signal into a variable (NEWWS).
  • step 104 the low-to-high transition of the word spoken signal is sensed by logically comparing the old value to zero and logically comparing the current value to one. If there is a logical match, the an active transition of the WORD SPOKEN signal is sensed and in step 105, the display time TDISP for the loaded images is set to the current clock time. Execution then returns back to step 101 in order that step 102 is performed at a rate much faster than the rate at which new words are obtained by the image selector 34 from the text buffer 32.
  • step 106 the display information buffer 40 is read to determine whether an area or matrix element of the display 23 has been previously cleared. If so, then in step 107 the image to be displayed is loaded behind the cleared display area. This is done by the display rule processor 35 transmitting the address of the clear display area to the matrix address decoders 55 (FIG. 4) of the multiple image buffers 25, and sending a pulsed LOAD BUFFER signal to the multiple image buffer. Whenever an image is loaded or the display is cleared, the display information buffer 40 is updated to remember this fact. Next in step 108 the display information buffer 40 is again inspected to determine whether there are any more cleared display areas.
  • step 109 the display rule processor 35 interrogates the image selector 34 to determine if there are any other images available for display. If there are, execution jumps back to step 107 to load another image. If not, then execution jumps back to step 101.
  • step 106 If in step 106 a cleared display area was not available, then either the image requested to be displayed is not displayed, or an image currently being displayed must be terminated to make space available for the new image. The existing images, however, will not be terminated if none-of them has been displayed for their respective minimum viewing times.
  • the current clock time TIME
  • TDISP display time
  • TMIN minimum viewing time
  • step 110 If in step 110 it was found that at least one of the images being displayed has been displayed for longer than its respected minimum display time, then one of these images or the new image selected cannot be displayed when the new word is spoken. Therefore, in step 112 one of the images currently being displayed or the new image must be selected for termination.
  • the selection is performed as a decreasing function of the priority number associated with the image and also as a decreasing function of the difference between the current clock time TIME and the display time TDISP for the respected images. For each image, for example, the difference between the clock time and the display time in seconds is multiplied by three and subtracted from the priority number to give an indication of whether a particular image should still be displayed. The image with the minimum indication is selected for termination.
  • step 113 If, as tested in step 113, the new image has been selected, then it could be buffered in step 111, and shown at a later time, although this has the disadvantage that it would not be shown when the corresponding word is spoken. If another image was selected, then in step 114 the new image is loaded behind the selected image so that it will be displayed in lieu of the selected image when its respective word is pronounced.
  • FIG. 2 Shown in FIG. 2 was a 2 X 2 matrix of images on a cathode ray tube display 23.
  • a cathode ray tube display is preferred for low cost applications of the present invention such as in a learning aid, especially for young children, and as an aid for teaching foreign languages.
  • the present invention is also useful for the generation of audio-visual presentations for a large viewer audience. In such a case, a more complex matrix display is preferred.
  • FIGS. 8-11 Shown in FIGS. 8-11 are various states of the same 2 X 3 multiple image matrix display 23'. Six independent images are displayed as shown in FIG. 8. Horizontal and vertical images A, B and C, D are displayed as shown in FIGS. 9 and 10, respectively. Shown in FIG. 11 is a full-screen image display E.
  • the multiple image buffer for the display 23' should include six storage areas for the six matrix element images (1,1), (1,2), (1,3), (2,1), (2,2), (2,3) and five more storage areas for the images A, B, C, D and E.
  • the appropriate images should be displayed depending on the desired format.
  • a large screen projector is the preferred kind of video display for presenting these images and the number of images and the available display formats can be increased without departing from the spirit and scope of the invention.
  • the inventor has used the kind of matrix display shown in FIGS. 8-11 for preparing audio-visual presentations by the prior art manual method of finding or creating pictures to go along with a script.
  • a portion of the script is shown in Appendix III.
  • the pictures to accompany the script are shown in FIGS. 12-16 and preferably the pictures are displayed in synchronism with the corresponding words of text which are underlined. It should be evident that the system according to the invention as described above could be used to simplify and accelerate the selection of pictures for an audio-visual presentation corresponding to the script shown in Appendix III.
  • the script is used as the natural language input to the system resulting in a series of pictures.
  • Viewer preferences are typically used to obtain pictures that the audience would like to see.
  • a woman for example, usually desires to see pictures including men rather than women.
  • images could be selected on the basis of a historical viewer preference for the purpose of conveying a particular message.
  • the antique pictures shown in FIGS. 12-14 are selected for contrast with the modern pictures shown in FIGS. 15-16.
  • a system which automatically translates and processes with automatic computer generated programming a natural language text into a corresponding presentation of high resolution video images.
  • a speech synthesizer is used to pronounce the words as their respective pictures are displayed and a multiple image buffer is used to increase the pictorial information presented in parallel fashion to the viewer.
  • the images are selected on the basis of the context in which particular words appear and viewer preferences. A number images can be provided to express the same idea, but redundancy of presentation can be avoided by random as well as indexed selection.
  • Stored along with the images are respective display rules to ensure that the images are presented in an effective fashion as defined by the viewer.
  • the natural language serves as the control program for automatic computer generated multi-image processing.
  • individualized TV or multi-image programs can be created without new photography or recording or computer programming.
  • Books which are in digitized form can instantly become talking books with supportive pictorial presentations. Further, mail and long-distance communication can be enhanced.
  • the system is then used as a "typewriter with images.”
  • the system is also useful in generating an audio-visual presentation which can be further edited and images augmented by the use of control words and presented at a later time using the system.

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Systems (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Machine Translation (AREA)
EP85306191A 1984-10-23 1985-09-02 Système de communication à images multiples Revoked EP0182460B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85306191T ATE61139T1 (de) 1984-10-23 1985-09-02 Mehrfachbildkommunikationssystem.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/663,893 US4695975A (en) 1984-10-23 1984-10-23 Multi-image communications system
US663893 2000-09-18

Publications (2)

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EP0182460A1 true EP0182460A1 (fr) 1986-05-28
EP0182460B1 EP0182460B1 (fr) 1991-02-27

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EP85306191A Revoked EP0182460B1 (fr) 1984-10-23 1985-09-02 Système de communication à images multiples

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US (1) US4695975A (fr)
EP (1) EP0182460B1 (fr)
JP (1) JPS61101183A (fr)
AT (1) ATE61139T1 (fr)
CA (1) CA1239705A (fr)
DE (1) DE3581894D1 (fr)

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Cited By (11)

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Publication number Priority date Publication date Assignee Title
US4945476A (en) * 1988-02-26 1990-07-31 Elsevier Science Publishing Company, Inc. Interactive system and method for creating and editing a knowledge base for use as a computerized aid to the cognitive process of diagnosis
EP0453512A1 (fr) * 1989-01-11 1991-10-30 BOHRMAN, David Systeme interactif de commande video
EP0453512A4 (en) * 1989-01-11 1993-08-18 David Bohrman Interactive video control system
DE4018078A1 (de) * 1990-06-06 1991-12-12 Udo Heitmann Lernsystem
DE4018080A1 (de) * 1990-06-06 1991-12-12 Udo Heitmann Lernsystem
DE4018079A1 (de) * 1990-06-06 1991-12-12 Udo Heitmann Lernsystem
EP0658854A2 (fr) * 1993-12-16 1995-06-21 Canon Kabushiki Kaisha Méthode et appareil pour affiches des images de langage des signes correspondant à un texte ou un langage
EP0658854A3 (fr) * 1993-12-16 1996-01-31 Canon Kk Méthode et appareil pour affiches des images de langage des signes correspondant à un texte ou un langage.
US6460056B1 (en) 1993-12-16 2002-10-01 Canon Kabushiki Kaisha Method and apparatus for displaying sign language images corresponding to input information
US5810599A (en) * 1994-01-26 1998-09-22 E-Systems, Inc. Interactive audio-visual foreign language skills maintenance system and method
US10843080B2 (en) * 2016-02-24 2020-11-24 Virginia Tech Intellectual Properties, Inc. Automated program synthesis from natural language for domain specific computing applications

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US4695975A (en) 1987-09-22
CA1239705A (fr) 1988-07-26
ATE61139T1 (de) 1991-03-15
DE3581894D1 (de) 1991-04-04
JPS61101183A (ja) 1986-05-20
EP0182460B1 (fr) 1991-02-27

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